Fix WebSpeech API for OOPIF based <webview>

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 4629 matching lines @@
   delete web_ui;
   return NULL;
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
+WebContentsImpl* WebContentsImpl::GetOuterWebContents() {
+  if (BrowserPluginGuestMode::UseCrossProcessFramesForGuests()) {
+    if (node_)
+      return node_->outer_web_contents();
+  } else {
+    if (GetBrowserPluginGuest())
+      return GetBrowserPluginGuest()->embedder_web_contents();
+  }
+  return nullptr;
+}
+
 }  // namespace content